# SDR MDGA202607180001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2026
- Submitted: July 19, 2026
- Operation: Air carrier
- Aircraft: [N489AM](https://openairdocs.org/aircraft/N489AM), registered now
- Make and model: Raythn 400ARAYTHEON
- Aircraft serial: RK433
- Aircraft time: 7,299 hours, 6,583 cycles
- System (JASC): [7700 · Engine Indicating System](https://openairdocs.org/jasc/7700)
- Part: Dcu
- Part number: 8222362003
- Part serial: 4LLM6
- Condition: Failed
- Part time: 2,885 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MDGA202607180001

## Discrepancy

IN CLIMB, THE RIGHT ENGINE INDICATION BLINKED SEVERAL TIMES AND THEN WAS COMPLETELY LOST. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. AN EMERGENCY WAS DECLARED BY THE TOWER. THEY LANDED UNEVENTFULLY. THE ENGINE DATA CONCENTRATOR WAS REPLACED TO CORRECT THE ISSUE.

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